34
2. Check track alignment and continue
adjustment until proper alignment is
obtained.
NOTE: Make sure correct track
tension is maintained after adjust-
ing track alignment.
3. After proper track alignment is
obtained, tighten the idler wheel
axle cap screw to 34 ft-lb; then
tighten the adjusting bolts securely
against the axle.
4. Field test the track under actual con-
ditions.
5. After the field test, check the align-
ment of the track. If additional adjust-
ment is necessary, repeat Adjusting
Track Alignment procedure.
Suspension
The suspension should be adjusted for
the operational needs and riding prefer-
ence of the operator.
The front shock springs determine the
amount of ski pressure and the reaction
of the front suspension to rough terrain.
The amount of ski pressure can also be
changed by adjusting the length of the
skid frame front arm limiter straps.
On the rear arm float shock, this adjust-
ment is achieved by increasingly or
decreasing the air pressure in the rear arm
air shock absorber.
Adjusting Fox Air Shocks
NOTE: It is recommended to moni-
tor the air pressure in the air shocks
once every month.
NOTE: Adjusting air shocks may
be done by the snowmobile owner if
qualified to do so. If the owner does
not feel qualified, take the snowmo-
bile to an authorized Arctic Cat
Snowmobile dealer for this service.
This service is at the discretion and
expense of the snowmobile owner.
The air shocks are individually adjustable
for the terrain conditions and driving style
of the operator. The shocks are preset at the
factory (see chart) as an initial setting;
however, it is possible to “fine tune” the
shocks to match the operator’s weight, rid-
ing style, and terrain conditions.
NOTE: Adding air pressure will
increase the air spring force; reduc-
ing air pressure will decrease air
spring force.
Checking and adjusting air pressure must
be done at riding temperature (outside).
Also, it is advisable to check air pressure
when the outside temperature varies
more than 25°.
NOTE: Care should be taken to have
equal pressure in the front (ski) shocks
before operating the snowmobile.
To increase or decrease air pressure, use
the following procedure.
NOTE: When adjusting air pres-
sure, all weight must be removed
from the suspension, and the shock
absorbers must be fully extended.
1. Remove the air valve cap from the
shock.
2. Thread the valve of Shock Absorber
Air Pump onto the shock air valve
approximately six rotations.
NOTE: As the pump is being
attached to the shock, the hose will
fill with air. This will result in a lower
gauge pressure 2-5 psi.
! WARNING
Always make sure the adjusting bolts
are snug against the axle and the
idler wheel cap screws are tightened
to specifications. Failure to do so
could cause the track to become
extremely loose and, under some
operating conditions, allow the idler
wheels to climb over the track lugs
forcing the track against the tunnel
causing the track to “lock.” If a track
“locks” during operation, severe per-
sonal injury could result.
Initial Setting Chart
Front Shock
(Ski)
Front Arm
Shock
Rear Arm
Shock
90 psi (Main
Chamber)
150 psi (Evol
Chamber)
50 psi (Main
Chamber)
125 psi (Evol
Chamber)
150 psi (Main
Chamber)
250 psi (Evol
Chamber)
